Belt filter press

Equipments introduction:

We have two types of belt filter press(ZDY model, DNY model).Belt filter press is used to dewater the thickened sludge in between two belts filtering the water. continuous operation is a great advantage.


  1. Belt position correcting system: automatic continuous detection, extend belt’s life
  2. Press roller: SUS304, reinforced welding, machined by fine processing, enough strength.
  3. Air pressure control device: the filter cloth tensioned by cylinder runs in its scope stably without leakage, high security.
  4. Belt cloth: GKD, good durability and excellent corrosion resistance.
  5. Control panel cabinet: Omron or Schneider. PLC adopts Siemens, easy operation and maintenance.
  6. Sludge distributor: The thickened sludge shall be distributed evenly on the upper belt to ensure the equal squeezing pressure, improve dewatering efficiency & extend the life of belt cloth.
  7. Semi-centrifugal rotary drum thickening unit: by action of position rotation screen, massive supernatant free water can be removed.
  8. Flocculate tank: adopts different layout with different sludge in let concentration, to mix the polymer and sludge thoroughly.

ZDY model Rotary drum thickening belt dehydrator

ZDY Rotary drum thickening belt dehydrator, it is mainly used for processing the sludge which is not concentration in the thickening pool(such as A/O residual sludge), the sludge can be pre-dewatered by the rotary drum concentration, thus, this machine has two functions: concentration and dewatering, its capacity is higher than the dewatering devices which is simple filter pressing.

DNY model Belt thickening belt dehydrator

DNY Belt thickening belt dehydrator, it is also mainly used for processing the sludge which is not concentrated in the thickening pool (such as A/O residual sludge, SBR residual sludge), it also has two functions: concentration and dewatering. Its structure is different from Rotary drum thickening belt dehydrator, the sludge is dehydrated by the belt gravity, this device is used in the higher capacity.